IOWA WINGS A U.S. Air Force F-16 D aircraft from the 132nd Fighter Wing based in Des Moines, Iowa, flies over Australia off the right wing of a KC-135 fuel tanker from the 185th Aerial Refueling Wing based in Sioux City, Iowa, Feb. 22, 2011. Both wing units are participating in a joint flight exercise, “Sentry Down Under,” with F-18s from the Royal Australian Air Force Base, Williamtown, Australia. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 997517-F-CCK38-365.jpg Photo Gallery